<template>
  <div>
     <home-header ></home-header>
     <home-swiper :swiperList='swiperList'></home-swiper>
     <home-icons :iconList='iconList'></home-icons>
     <home-recommend :recommendList='recommendList'></home-recommend>
     <home-weekend :weekendList='weekendList'></home-weekend>
  </div>
</template>

<script>
import { mapState } from "vuex";
import HomeHeader from "./components/Header";
import HomeSwiper from "./components/Swiper";
import HomeIcons from "./components/Icons";
import HomeRecommend from "./components/Recommend";
import HomeWeekend from "./components/Weekend";
import axios from "axios";
export default {
  data() {
    return {
      lastCity: "",
      swiperList: [],
      iconList: [],
      recommendList: [],
      weekendList: []
    };
  },
  computed: {
    ...mapState(["city"])
  },
  methods: {
    //只有static目录下的文件才能被直接访问
    //localhost:8080/static/moke/index.json
    getHomeInfo() {
      axios.get("/api/index.json?city=" + this.city).then(this.getHomeInfoSucc);
    },
    getHomeInfoSucc(res) {
      res = res.data;
      if (res.ret && res.data) {
        const data = res.data;
        this.swiperList = data.swiperList;
        this.iconList = data.iconList;
        this.recommendList = data.recommendList;
        this.weekendList = data.weekendList;
      }
    }
  },
  components: {
    HomeHeader,
    HomeSwiper,
    HomeIcons,
    HomeRecommend,
    HomeWeekend
  },
  mounted() {
    this.lastCity = this.city;
    this.getHomeInfo();
  },
  activated() {
    //第一次会执行，有keep-alive才会有这个钩子，每次进入时都执行
    if (this.lastCity !== this.city) {
      this.lastCity = this.city;
      this.getHomeInfo();
    }
  },
  deactivated() {}
};
</script>

<style>
</style>
